6990788 has 12 divisors (see below), whose sum is σ = 13981632. Its totient is φ = 2996040.

The previous prime is 6990761. The next prime is 6990799. The reversal of 6990788 is 8870996.

6990788 is an admirable number.

It is a super-2 number, since 2×6990788² = 97742233721888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124808 + ... + 124863.

It is an arithmetic number, because the mean of its divisors is an integer number (1165136).

Almost surely, 2^6990788 is an apocalyptic number.

It is an amenable number.

6990788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6990788 is a wasteful number, since it uses less digits than its factorization.

6990788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249682 (or 249680 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 6990788 is about 2644.0098335672. The cubic root of 6990788 is about 191.2091675255.

The spelling of 6990788 in words is "six million, nine hundred ninety thousand, seven hundred eighty-eight".